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Finding the Fourth Proportional to 57,483.94, 86,201.30 and 20,032.93

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Solution

The fourth proportional to 57,483.94, 86,201.30 and 20,032.93 is: 30,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,483.94 : 86,201.30 = 20,032.93 : x
  2. Step 2: Convert to fraction form
    57,483.94/86,201.30 = 20,032.93/x
  3. Step 3: Cross multiply
    57,483.94x = 86,201.30 × 20,032.93
  4. Step 4: Simplify right side
    57,483.94x = 1,726,864,859.69
  5. Step 5: Solve for x
    x = 1,726,864,859.69/57,483.94
  6. Step 6: Final answer
    x = 30,040.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.